From: Keir Fraser <keir@xen.org>
To: Jan Beulich <JBeulich@suse.com>
Cc: Andrew Cooper <andrew.cooper3@citrix.com>,
"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: [PATCH 00/12] cpumask handling scalability improvements
Date: Thu, 20 Oct 2011 17:04:20 +0100 [thread overview]
Message-ID: <CAC60514.32CBA%keir@xen.org> (raw)
In-Reply-To: <4EA0583B020000780005C8A8@nat28.tlf.novell.com>
On 20/10/2011 16:19, "Jan Beulich" <JBeulich@suse.com> wrote:
>>> 06: allow efficient allocation of multiple CPU masks at once
>>
>> That is utterly hideous and for insignificant saving.
>
> I was afraid you would say that, and I'm not fully convinced
> either. But I wanted to give it a try to see how bad it is. The
> more significant saving here really comes from not allocating
> the CPU masks at all for unused irq_desc-s.
Aren't we planning to dynamically allocate irq_desc-s? That would seem the
nicer solution here.
-- Keir
next prev parent reply other threads:[~2011-10-20 16:04 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-20 13:36 [PATCH 00/12] cpumask handling scalability improvements Jan Beulich
2011-10-20 15:09 ` Keir Fraser
2011-10-20 15:19 ` Jan Beulich
2011-10-20 15:25 ` Jan Beulich
2011-10-20 15:49 ` Andrew Cooper
2011-10-20 15:57 ` Jan Beulich
2011-10-20 16:04 ` Keir Fraser [this message]
2011-10-21 7:10 ` Jan Beulich
2011-10-21 8:00 ` Keir Fraser
2011-10-21 8:23 ` Jan Beulich
2011-10-20 16:06 ` Keir Fraser
2011-10-21 7:01 ` Jan Beulich
2011-10-21 7:08 ` Keir Fraser
2011-10-21 7:14 ` Jan Beulich
2011-10-21 7:49 ` Jan Beulich
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